How to find the correct dose
For Cyanotypes Use a dose of 60 as a starting point. Expose a small test piece of artwork using the Altxpo app. When the exposure is complete move your phone to a safe place and wash the print as normal.…
How to use AltXpo in a class.
Using Cyanotype as an example
How to use the app
The screen will stay on during the exposure so check that you have enough battery to finish the exposure. We recommend to begin with a dose of 60 the first time using the app, press the start button and face…
Controls & Test Exposure (video)
What is dose
The result of dose is the darkness of your finished Cyanotype. Dose is the amount of daylight needed to achieve the of darkness of your finished Cyanotype It is a number that is personal to your phone model.